diff --git a/src/emu/sound/ymz770.c b/src/emu/sound/ymz770.c
index e16f4e5ffbe..279a4d112c0 100644
--- a/src/emu/sound/ymz770.c
+++ b/src/emu/sound/ymz770.c
@@ -412,7 +412,7 @@ const double amm::synthesis_filter[513] = {
   +0.000442505, +0.000396729, +0.000366211, +0.000320435, +0.000289917, +0.000259399, +0.000244141, +0.000213623,
   +0.000198364, +0.000167847, +0.000152588, +0.000137329, +0.000122070, +0.000106812, +0.000106812, +0.000091553,
   +0.000076294, +0.000076294, +0.000061035, +0.000061035, +0.000045776, +0.000045776, +0.000030518, +0.000030518,
-  +0.000030518, +0.000030518, +0.000015259, +0.000015259, +0.000015259, +0.000015259, +0.000015259, +0.000015259, 0.0
+  +0.000030518, +0.000030518, +0.000015259, +0.000015259, +0.000015259, +0.000015259, +0.000015259, +0.000015259,
 };
 
 int amm::get_band_param(int &pos, int band)